diff options
Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r-- | arch/arm/mm/init.c | 59 |
1 files changed, 12 insertions, 47 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 000c1b48e973..45f9d5ec2360 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -299,16 +299,14 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn) */ static void __init free_unused_memmap(void) { - unsigned long start, prev_end = 0; - struct memblock_region *reg; + unsigned long start, end, prev_end = 0; + int i; /* * This relies on each bank being in address order. * The banks are sorted previously in bootmem_init(). */ - for_each_memblock(memory, reg) { - start = memblock_region_memory_base_pfn(reg); - + for_each_mem_pfn_range(i, MAX_NUMNODES, &start, &end, NULL) { #ifdef CONFIG_SPARSEMEM /* * Take care not to free memmap entries that don't exist @@ -336,8 +334,7 @@ static void __init free_unused_memmap(void) * memmap entries are valid from the bank end aligned to * MAX_ORDER_NR_PAGES. */ - prev_end = ALIGN(memblock_region_memory_end_pfn(reg), - MAX_ORDER_NR_PAGES); + prev_end = ALIGN(end, MAX_ORDER_NR_PAGES); } #ifdef CONFIG_SPARSEMEM @@ -347,61 +344,29 @@ static void __init free_unused_memmap(void) #endif } -#ifdef CONFIG_HIGHMEM -static inline void free_area_high(unsigned long pfn, unsigned long end) -{ - for (; pfn < end; pfn++) - free_highmem_page(pfn_to_page(pfn)); -} -#endif - static void __init free_highpages(void) { #ifdef CONFIG_HIGHMEM unsigned long max_low = max_low_pfn; - struct memblock_region *mem, *res; + phys_addr_t range_start, range_end; + u64 i; /* set highmem page free */ - for_each_memblock(memory, mem) { - unsigned long start = memblock_region_memory_base_pfn(mem); - unsigned long end = memblock_region_memory_end_pfn(mem); + for_each_free_mem_range(i, NUMA_NO_NODE, MEMBLOCK_NONE, + &range_start, &range_end, NULL) { + unsigned long start = PHYS_PFN(range_start); + unsigned long end = PHYS_PFN(range_end); /* Ignore complete lowmem entries */ if (end <= max_low) continue; - if (memblock_is_nomap(mem)) - continue; - /* Truncate partial highmem entries */ if (start < max_low) start = max_low; - /* Find and exclude any reserved regions */ - for_each_memblock(reserved, res) { - unsigned long res_start, res_end; - - res_start = memblock_region_reserved_base_pfn(res); - res_end = memblock_region_reserved_end_pfn(res); - - if (res_end < start) - continue; - if (res_start < start) - res_start = start; - if (res_start > end) - res_start = end; - if (res_end > end) - res_end = end; - if (res_start != start) - free_area_high(start, res_start); - start = res_end; - if (start == end) - break; - } - - /* And now free anything which remains */ - if (start < end) - free_area_high(start, end); + for (; start < end; start++) + free_highmem_page(pfn_to_page(start)); } #endif } |